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import { assetDataUtils } from '@0xproject/order-utils';
import { AssetProxyId, ObjectMap } from '@0xproject/types';
import * as _ from 'lodash';
import { assetDataNetworkMapping } from '../data/asset_data_network_mapping';
import { Asset, AssetMetaData, Network, ZeroExInstantError } from '../types';
export const assetUtils = {
createAssetFromAssetData: (assetData: string, assetMetaDataMap: ObjectMap<AssetMetaData>): Asset => {
return {
assetProxyId: assetDataUtils.decodeAssetProxyId(assetData),
assetData,
metaData: assetUtils.getMetaDataOrThrow(assetData, assetMetaDataMap),
};
},
getMetaDataOrThrow: (
assetData: string,
metaDataMap: ObjectMap<AssetMetaData>,
network: Network = Network.Mainnet,
): AssetMetaData => {
let mainnetAssetData: string | undefined = assetData;
if (network !== Network.Mainnet) {
mainnetAssetData = assetDataNetworkMapping.getAssociatedAssetDataIfExists(assetData, network);
}
if (_.isUndefined(mainnetAssetData)) {
throw new Error(ZeroExInstantError.AssetMetaDataNotAvailable);
}
const metaData = metaDataMap[mainnetAssetData];
if (_.isUndefined(metaData)) {
throw new Error();
}
return metaData;
},
};
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